/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 * ***** END LICENSE BLOCK ***** */

// Implementation of Netscape entry points (NPN_*)

#include "npplat.h"

extern NPNetscapeFuncs* NPNFuncs;

void NPN_Version(int* plugin_major,
                 int* plugin_minor,
                 int* netscape_major,
                 int* netscape_minor)
{
  *plugin_major   = NP_VERSION_MAJOR;
  *plugin_minor   = NP_VERSION_MINOR;
  *netscape_major = HIBYTE(NPNFuncs->version);
  *netscape_minor = LOBYTE(NPNFuncs->version);
}

NPError NPN_GetURLNotify(NPP instance,
                         const char *url,
                         const char *target,
                         void* notifyData)
{
  int navMinorVers = NPNFuncs->version & 0xFF;
  NPError rv = NPERR_NO_ERROR;

  if (navMinorVers >= NPVERS_HAS_NOTIFICATION) {
    rv = NPNFuncs->geturlnotify(instance, url, target, notifyData);
  }
  else {
    rv = NPERR_INCOMPATIBLE_VERSION_ERROR;
  }

  return rv;
}

NPError NPN_GetURL(NPP instance, const char *url, const char *target)
{
  return NPNFuncs->geturl(instance, url, target);
}

NPError NPN_PostURLNotify(NPP instance,
                          const char* url,
                          const char* window,
                          uint32_t len,
                          const char* buf,
                          NPBool file,
                          void* notifyData)
{
  int navMinorVers = NPNFuncs->version & 0xFF;
  NPError rv = NPERR_NO_ERROR;

  if (navMinorVers >= NPVERS_HAS_NOTIFICATION) {
    rv = NPNFuncs->posturlnotify(instance,
                                 url,
                                 window,
                                 len,
                                 buf,
                                 file,
                                 notifyData);
  }
  else {
    rv = NPERR_INCOMPATIBLE_VERSION_ERROR;
  }

  return rv;
}

NPError NPN_PostURL(NPP instance,
                    const char* url,
                    const char* window,
                    uint32_t len,
                    const char* buf,
                    NPBool file)
{
  return NPNFuncs->posturl(instance, url, window, len, buf, file);
} 

NPError NPN_RequestRead(NPStream* stream, NPByteRange* rangeList)
{
  return NPNFuncs->requestread(stream, rangeList);
}

NPError NPN_NewStream(NPP instance,
                      NPMIMEType type,
                      const char* target,
                      NPStream** stream)
{
  int navMinorVersion = NPNFuncs->version & 0xFF;

  NPError rv = NPERR_NO_ERROR;

  if (navMinorVersion >= NPVERS_HAS_STREAMOUTPUT)
    rv = NPNFuncs->newstream(instance, type, target, stream);
  else
    rv = NPERR_INCOMPATIBLE_VERSION_ERROR;

  return rv;
}

int32_t NPN_Write(NPP instance, NPStream *stream, int32_t len, void *buffer)
{
  int navMinorVersion = NPNFuncs->version & 0xFF;
  int32_t rv = 0;

  if (navMinorVersion >= NPVERS_HAS_STREAMOUTPUT)
    rv = NPNFuncs->write(instance, stream, len, buffer);
  else
    rv = -1;

  return rv;
}

NPError NPN_DestroyStream(NPP instance, NPStream* stream, NPError reason)
{
  int navMinorVersion = NPNFuncs->version & 0xFF;
  NPError rv = NPERR_NO_ERROR;

  if (navMinorVersion >= NPVERS_HAS_STREAMOUTPUT)
    rv = NPNFuncs->destroystream(instance, stream, reason);
  else
    rv = NPERR_INCOMPATIBLE_VERSION_ERROR;

  return rv;
}

void NPN_Status(NPP instance, const char *message)
{
  NPNFuncs->status(instance, message);
}

const char* NPN_UserAgent(NPP instance)
{
  return NPNFuncs->uagent(instance);
}

void* NPN_MemAlloc(uint32_t size)
{
  return NPNFuncs->memalloc(size);
}

void NPN_MemFree(void* ptr)
{
  NPNFuncs->memfree(ptr);
}

uint32_t NPN_MemFlush(uint32_t size)
{
  return NPNFuncs->memflush(size);
}

void NPN_ReloadPlugins(NPBool reloadPages)
{
  NPNFuncs->reloadplugins(reloadPages);
}

NPError NPN_GetValue(NPP instance, NPNVariable variable, void *value)
{
  return NPNFuncs->getvalue(instance, variable, value);
}

NPError NPN_SetValue(NPP instance, NPPVariable variable, void *value)
{
  return NPNFuncs->setvalue(instance, variable, value);
}

void NPN_InvalidateRect(NPP instance, NPRect *invalidRect)
{
  NPNFuncs->invalidaterect(instance, invalidRect);
}

void NPN_InvalidateRegion(NPP instance, NPRegion invalidRegion)
{
  NPNFuncs->invalidateregion(instance, invalidRegion);
}

void NPN_ForceRedraw(NPP instance)
{
  NPNFuncs->forceredraw(instance);
}
